Pretz普雷茨
PREabbr.Petroleum Refining Engineer炼油工程师
prezewaquinone E紫丹参戊
pre-hypothesis预设定
pretreated blank预制坯
precast arch box预制拱箱
precession angle岁差角
predication data射击提前量
prezewaquinone A紫丹参甲
pre cambrian era前寒武纪
preceding clause[法] 前项, 前款
precepitate intov.使突然陷入